McNamara, Joel. <br/><br/>
Secrets of computer espionage :  tactics and countermeasures / 
Joel McNamara. 
 - New York :  Wiley,  2003. 
 - xxi, 362 p. :  ill. ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0764537105 (pbk.) : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security.<br/>Computer networks--Security measures.<br/>Electronic surveillance.
<br/><br/><label>LC Class. No.: </label>QA76.9.A25  / M436 2003